Alert archive / Georgia / Tornado Warnings in 2013

Tornado Warning 3, NWS Columbia, SC

April 28, 2013Lincoln County, McDuffie County, Georgia

NWS Columbia, SC issued this tornado warning at Apr 28, 2013, 5:36 PM EDT for Lincoln County, McDuffie County, Georgia. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 28, 2013, 5:36 PM EDT (21:36 UTC)
Expired: Apr 28, 2013, 6:15 PM EDT
In force: 39 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Lincoln County, GA, McDuffie County, GA

The radar

The Robins AFB radar (KJGX), 132 km from the middle of the area, began a volume at 21:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.6 hours before the alert went out and 184 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 308 m²/s²
0-3 km storm-relative helicity: 379 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

649 
WFUS52 KCAE 282136
TORCAE
GAC181-189-282215-
/O.NEW.KCAE.TO.W.0003.130428T2136Z-130428T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
536 PM EDT SUN APR 28 2013

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN MCDUFFIE COUNTY IN EAST CENTRAL GEORGIA
  SOUTHERN LINCOLN COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 615 PM EDT

* AT 533 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WILL
  MOVE INTO NORTHERN MCDUFFIE COUNTY SHORTLY.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
  INDICATED COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 1.00 
INCH SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY 
SHERIFF...OR USE
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV TO RELAY
SEVERE WEATHER REPORTS.

1 877 6 3 3...6 7 7 2.

&&

LAT...LON 3362 8263 3364 8262 3365 8259 3365 8254
      3366 8251 3366 8250 3372 8253 3375 8246
      3366 8241 3364 8244 3359 8241 3354 8262
      3361 8265
TIME...MOT...LOC 2133Z 242DEG 12KT 3360 8268

$$

AWP

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 5:30 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, Lincoln, McDuffie	45 min
Apr 28, 6:13 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, Lincoln	47 min
Apr 28, 7:06 PM EDT	Special Weather Statement	CAE	McDuffie	39 min

Nearby

Tornado Warnings in Georgia, 2013 Every tornado warning in 2013 Tornadoes in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.